ICE: Assertion `llvm::isPowerOf2_32(Align) && "Alignment must be power of 2"' failed.

[chengniansun]

Bugzilla Link	50827
Version	trunk
OS	All
CC	@DougGregor,@zygoloid

Extended Description

$ clang-trunk -v
clang version 13.0.0 (https://github.com/llvm/llvm-project.git 5c86598)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/cnsun/usr/bin
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/10
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/10
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@MX32
Selected multilib: .;@m64

$ cat mutant.c
__bf16 v64bf attribute((vector_size(128)));

$ clang-trunk mutant.c
mutant.c:1:1: error: __bf16 is not supported on this target
__bf16 v64bf attribute((vector_size(128)));
^
clang-13: /tmp/tmp.FIfHBNID2p-clang-builder/llvm-project/clang/lib/AST/ASTContext.cpp:2394: clang::TypeInfo clang::ASTContext::getTypeInfoImpl(const clang::Type*) const: Assertion `llvm::isPowerOf2_32(Align) && "Alignment must be power of 2"' failed.
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: /scratch/software/clang-trunk/bin/clang-13 -cc1 -triple x86_64-unknown-linux-gnu -emit-obj -mrelax-all --mrelax-relocations -disable-free -main-file-name mutant.c -mrelocation-model static -mframe-pointer=all -fmath-errno -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/default_c_finding_folder/crash_20210623_071354_0005/delta/perses_result -resource-dir /scratch/software/clang-trunk/lib/clang/13.0.0 -c-isystem . -c-isystem /usr/local/include/cmsith -internal-isystem /scratch/software/clang-trunk/lib/clang/13.0.0/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/10/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -fdebug-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/default_c_finding_folder/crash_20210623_071354_0005/delta/perses_result -ferror-limit 19 -fgnuc-version=4.2.1 -fcolor-diagnostics -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/mutant-5a2a9f.o -x c mutant.c

1. mutant.c:1:47: current parser token ';'
   #​0 0x000056271c410c64 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
   #​1 0x000056271c40e41e SignalHandler(int) Signals.cpp:0:0
   #​2 0x00007fd33ce593c0 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
   #​3 0x00007fd33c8f818b raise /build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
   #​4 0x00007fd33c8d7859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
   #​5 0x00007fd33c8d7729 get_sysdep_segment_value /build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
   #​6 0x00007fd33c8d7729 _nl_load_domain /build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
   #​7 0x00007fd33c8e8f36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
   #​8 0x000056271f2949ff clang::ASTContext::getTypeInfoImpl(clang::Type const*) const (/scratch/software/clang-trunk/bin/clang-13+0x67d29ff)
   #​9 0x000056271f2852ff clang::ASTContext::getTypeInfo(clang::Type const*) const (/scratch/software/clang-trunk/bin/clang-13+0x67c32ff)
   #​10 0x000056271f038629 clang::Sema::BuildVectorType(clang::QualType, clang::Expr*, clang::SourceLocation) (/scratch/software/clang-trunk/bin/clang-13+0x6576629)
   #​11 0x000056271f0387d9 HandleVectorSizeAttr(clang::QualType&, clang::ParsedAttr const&, clang::Sema&) SemaType.cpp:0:0
   #​12 0x000056271f03ebd7 processTypeAttrs((anonymous namespace)::TypeProcessingState&, clang::QualType&, TypeAttrLocation, clang::ParsedAttributesView&) SemaType.cpp:0:0
   #​13 0x000056271f04d0db GetFullTypeForDeclarator((anonymous namespace)::TypeProcessingState&, clang::QualType, clang::TypeSourceInfo*) SemaType.cpp:0:0
   #​14 0x000056271f04f52d clang::Sema::GetTypeForDeclarator(clang::Declarator&, clang::Scope*) (/scratch/software/clang-trunk/bin/clang-13+0x658d52d)
   #​15 0x000056271e903f76 clang::Sema::HandleDeclarator(clang::Scope*, clang::Declarator&, llvm::MutableArrayRefclang::TemplateParameterList*) (/scratch/software/clang-trunk/bin/clang-13+0x5e41f76)
   #​16 0x000056271e9050c9 clang::Sema::ActOnDeclarator(clang::Scope*, clang::Declarator&) (/scratch/software/clang-trunk/bin/clang-13+0x5e430c9)
   #​17 0x000056271e648fe0 clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes(clang::Declarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::ForRangeInit*) (/scratch/software/clang-trunk/bin/clang-13+0x5b86fe0)
   #​18 0x000056271e65c31b clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, clang::DeclaratorContext, clang::SourceLocation*, clang::Parser::ForRangeInit*) (/scratch/software/clang-trunk/bin/clang-13+0x5b9a31b)
   #​19 0x000056271e62a426 clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributesWithRange&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/scratch/software/clang-trunk/bin/clang-13+0x5b68426)
   #​20 0x000056271e62aa11 clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributesWithRange&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (.part.0) Parser.cpp:0:0
   #​21 0x000056271e631217 clang::Parser::ParseExternalDeclaration(clang::ParsedAttributesWithRange&, clang::ParsingDeclSpec*) (/scratch/software/clang-trunk/bin/clang-13+0x5b6f217)
   #​22 0x000056271e6327ae clang::Parser::ParseTopLevelDecl(clang::OpaquePtrclang::DeclGroupRef&, bool) (/scratch/software/clang-trunk/bin/clang-13+0x5b707ae)
   #​23 0x000056271e632b59 clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtrclang::DeclGroupRef&) (/scratch/software/clang-trunk/bin/clang-13+0x5b70b59)
   #​24 0x000056271e624fca clang::ParseAST(clang::Sema&, bool, bool) (/scratch/software/clang-trunk/bin/clang-13+0x5b62fca)
   #​25 0x000056271d56c678 clang::CodeGenAction::ExecuteAction() (/scratch/software/clang-trunk/bin/clang-13+0x4aaa678)
   #​26 0x000056271ce1c029 clang::FrontendAction::Execute() (/scratch/software/clang-trunk/bin/clang-13+0x435a029)
   #​27 0x000056271cdaf1e6 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/scratch/software/clang-trunk/bin/clang-13+0x42ed1e6)
   #​28 0x000056271cef9eb0 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/scratch/software/clang-trunk/bin/clang-13+0x4437eb0)
   #​29 0x0000562719d226f6 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/scratch/software/clang-trunk/bin/clang-13+0x12606f6)
   #​30 0x0000562719d1ea38 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) driver.cpp:0:0
   #​31 0x0000562719c4c0a6 main (/scratch/software/clang-trunk/bin/clang-13+0x118a0a6)
   #​32 0x00007fd33c8d90b3 __libc_start_main /build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
   #​33 0x0000562719d1e5ae _start (/scratch/software/clang-trunk/bin/clang-13+0x125c5ae)
   clang-13: error: unable to execute command: Aborted (core dumped)
   clang-13: error: clang frontend command failed due to signal (use -v to see invocation)
   clang version 13.0.0 (https://github.com/llvm/llvm-project.git 5c86598)
   Target: x86_64-unknown-linux-gnu
   Thread model: posix
   InstalledDir: /home/cnsun/usr/bin
   clang-13: note: diagnostic msg:

---

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-13: note: diagnostic msg: /tmp/mutant-2c9a91.c
clang-13: note: diagnostic msg: /tmp/mutant-2c9a91.sh
clang-13: note: diagnostic msg:

---

[chengniansun]

A possible duplicate.

#include <arm_bf16.h>
bfloat_mov_rw() {
bfloat16_t x;
asm("" : "=r"(x));
}

In file included from mutant.c:1:
/scratch/software/clang-trunk/lib/clang/13.0.0/include/arm_bf16.h:14:9: error: __bf16 is not supported on this target
typedef __bf16 bfloat16_t;
^
mutant.c:2:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
bfloat_mov_rw() {
^
clang-13: /tmp/tmp.xjN6dMkdrg-clang-builder/llvm-project/clang/lib/AST/ASTContext.cpp:2394: clang::TypeInfo clang::ASTContext::getTypeInfoImpl(const clang::Type*) const: Assertion `llvm::isPowerOf2_32(Align) && "Alignment must be power of 2"' failed.
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: /scratch/software/clang-trunk/bin/clang-13 -cc1 -triple x86_64-unknown-linux-gnu -emit-obj -mrelax-all --mrelax-relocations -disable-free -main-file-name mutant.c -mrelocation-model static -mframe-pointer=all -fmath-errno -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/default_c_finding_folder/crash_20210626_194404_0b65/delta/perses_result -resource-dir /scratch/software/clang-trunk/lib/clang/13.0.0 -c-isystem . -c-isystem /usr/local/include/cmsith -internal-isystem /scratch/software/clang-trunk/lib/clang/13.0.0/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/10/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -fdebug-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/default_c_finding_folder/crash_20210626_194404_0b65/delta/perses_result -ferror-limit 19 -fgnuc-version=4.2.1 -fcolor-diagnostics -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/mutant-aecb53.o -x c mutant.c

1. mutant.c:4:20: current parser token ';'
2. mutant.c:2:17: parsing function body 'bfloat_mov_rw'
3. mutant.c:2:17: in compound statement ('{}')
   #​0 0x0000558e11190184 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
   #​1 0x0000558e1118d93e SignalHandler(int) Signals.cpp:0:0
   #​2 0x00007feff851a3c0 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
   #​3 0x00007feff7fb918b raise /build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
   #​4 0x00007feff7f98859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
   #​5 0x00007feff7f98729 get_sysdep_segment_value /build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
   #​6 0x00007feff7f98729 _nl_load_domain /build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
   #​7 0x00007feff7fa9f36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
   #​8 0x0000558e14048b2f clang::ASTContext::getTypeInfoImpl(clang::Type const*) const (/scratch/software/clang-trunk/bin/clang-13+0x6813b2f)
   #​9 0x0000558e1403944f clang::ASTContext::getTypeInfo(clang::Type const*) const (/scratch/software/clang-trunk/bin/clang-13+0x680444f)
   #​10 0x0000558e14048f51 clang::ASTContext::getTypeInfoImpl(clang::Type const*) const (/scratch/software/clang-trunk/bin/clang-13+0x6813f51)
   #​11 0x0000558e1403944f clang::ASTContext::getTypeInfo(clang::Type const*) const (/scratch/software/clang-trunk/bin/clang-13+0x680444f)
   #​12 0x0000558e13bcbd64 clang::Sema::ActOnGCCAsmStmt(clang::SourceLocation, bool, bool, unsigned int, unsigned int, clang::IdentifierInfo**, llvm::MutableArrayRefclang::Expr*, llvm::MutableArrayRefclang::Expr*, clang::Expr*, llvm::MutableArrayRefclang::Expr*, unsigned int, clang::SourceLocation) (/scratch/software/clang-trunk/bin/clang-13+0x6396d64)
   #​13 0x0000558e13476659 clang::Parser::ParseAsmStatement(bool&) (/scratch/software/clang-trunk/bin/clang-13+0x5c41659)
   #​14 0x0000558e13465948 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributesWithRange&) (/scratch/software/clang-trunk/bin/clang-13+0x5c30948)
   #​15 0x0000558e134666ca clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/scratch/software/clang-trunk/bin/clang-13+0x5c316ca)
   #​16 0x0000558e13467649 clang::Parser::ParseCompoundStatementBody(bool) (/scratch/software/clang-trunk/bin/clang-13+0x5c32649)
   #​17 0x0000558e13469c5a clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) (/scratch/software/clang-trunk/bin/clang-13+0x5c34c5a)
   #​18 0x0000558e133afef2 clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) (/scratch/software/clang-trunk/bin/clang-13+0x5b7aef2)
   #​19 0x0000558e133dc850 clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, clang::DeclaratorContext, clang::SourceLocation*, clang::Parser::ForRangeInit*) (/scratch/software/clang-trunk/bin/clang-13+0x5ba7850)
   #​20 0x0000558e133aa6f6 clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributesWithRange&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/scratch/software/clang-trunk/bin/clang-13+0x5b756f6)
   #​21 0x0000558e133aace1 clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributesWithRange&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (.part.0) Parser.cpp:0:0
   #​22 0x0000558e133b14e7 clang::Parser::ParseExternalDeclaration(clang::ParsedAttributesWithRange&, clang::ParsingDeclSpec*) (/scratch/software/clang-trunk/bin/clang-13+0x5b7c4e7)
   #​23 0x0000558e133b2a7e clang::Parser::ParseTopLevelDecl(clang::OpaquePtrclang::DeclGroupRef&, bool) (/scratch/software/clang-trunk/bin/clang-13+0x5b7da7e)
   #​24 0x0000558e133a52c9 clang::ParseAST(clang::Sema&, bool, bool) (/scratch/software/clang-trunk/bin/clang-13+0x5b702c9)
   #​25 0x0000558e122ec968 clang::CodeGenAction::ExecuteAction() (/scratch/software/clang-trunk/bin/clang-13+0x4ab7968)
   #​26 0x0000558e11b9c599 clang::FrontendAction::Execute() (/scratch/software/clang-trunk/bin/clang-13+0x4367599)
   #​27 0x0000558e11b2f7e6 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/scratch/software/clang-trunk/bin/clang-13+0x42fa7e6)
   #​28 0x0000558e11c7a480 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/scratch/software/clang-trunk/bin/clang-13+0x4445480)
   #​29 0x0000558e0ea9a696 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/scratch/software/clang-trunk/bin/clang-13+0x1265696)
   #​30 0x0000558e0ea969d8 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) driver.cpp:0:0
   #​31 0x0000558e0e9c40e6 main (/scratch/software/clang-trunk/bin/clang-13+0x118f0e6)
   #​32 0x00007feff7f9a0b3 __libc_start_main /build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
   #​33 0x0000558e0ea9654e _start (/scratch/software/clang-trunk/bin/clang-13+0x126154e)
   clang-13: error: unable to execute command: Aborted (core dumped)
   clang-13: error: clang frontend command failed due to signal (use -v to see invocation)
   clang version 13.0.0 (https://github.com/llvm/llvm-project.git 2e9c75d)
   Target: x86_64-unknown-linux-gnu
   Thread model: posix
   InstalledDir: /home/cnsun/usr/bin
   clang-13: note: diagnostic msg:

---

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-13: note: diagnostic msg: /tmp/mutant-edfdc8.c
clang-13: note: diagnostic msg: /tmp/mutant-edfdc8.sh
clang-13: note: diagnostic msg:

---

[chengniansun]

A possible duplicate.

$ clang-trunk -v
clang version 13.0.0 (https://github.com/llvm/llvm-project.git 2e9c75d)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/cnsun/usr/bin
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/10
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/10
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@MX32
Selected multilib: .;@m64

$ cat mutant.c
asm(" .align 3\n");

$ clang-trunk mutant.c
:1:9: error: alignment must be a power of 2
.align 3
^
clang-13: /tmp/tmp.xjN6dMkdrg-clang-builder/llvm-project/llvm/include/llvm/Support/Alignment.h:78: llvm::Align::Align(uint64_t): Assertion `llvm::isPowerOf2_64(Value) && "Alignment is not a power of 2"' failed.
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: /scratch/software/clang-trunk/bin/clang-13 -cc1 -triple x86_64-unknown-linux-gnu -emit-obj -mrelax-all --mrelax-relocations -disable-free -main-file-name mutant.c -mrelocation-model static -mframe-pointer=all -fmath-errno -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/default_c_finding_folder/crash_20210626_060606_04f5/delta/perses_result -resource-dir /scratch/software/clang-trunk/lib/clang/13.0.0 -c-isystem . -c-isystem /usr/local/include/cmsith -internal-isystem /scratch/software/clang-trunk/lib/clang/13.0.0/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/10/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -fdebug-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/default_c_finding_folder/crash_20210626_060606_04f5/delta/perses_result -ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/mutant-ceb252.o -x c mutant.c

1. parser at end of file
2. Code generation
   #​0 0x0000563a3c11b184 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
   #​1 0x0000563a3c11893e SignalHandler(int) Signals.cpp:0:0
   #​2 0x00007f41f18323c0 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
   #​3 0x00007f41f12d118b raise /build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
   #​4 0x00007f41f12b0859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
   #​5 0x00007f41f12b0729 get_sysdep_segment_value /build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
   #​6 0x00007f41f12b0729 _nl_load_domain /build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
   #​7 0x00007f41f12c1f36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
   #​8 0x0000563a3bc57507 llvm::MCAssembler::computeFragmentSize(llvm::MCAsmLayout const&, llvm::MCFragment const&) const (/scratch/software/clang-trunk/bin/clang-13+0x3497507)
   #​9 0x0000563a3bc59095 llvm::MCAssembler::finishLayout(llvm::MCAsmLayout&) (/scratch/software/clang-trunk/bin/clang-13+0x3499095)
   #​10 0x0000563a3bc5bc27 llvm::MCAssembler::layout(llvm::MCAsmLayout&) (/scratch/software/clang-trunk/bin/clang-13+0x349bc27)
   #​11 0x0000563a3bc5c0dd llvm::MCAssembler::Finish() (/scratch/software/clang-trunk/bin/clang-13+0x349c0dd)
   #​12 0x0000563a3bcaa6e5 llvm::MCStreamer::Finish(llvm::SMLoc) (/scratch/software/clang-trunk/bin/clang-13+0x34ea6e5)
   #​13 0x0000563a3ce6989a llvm::AsmPrinter::doFinalization(llvm::Module&) (/scratch/software/clang-trunk/bin/clang-13+0x46a989a)
   #​14 0x0000563a3b805f75 llvm::FPPassManager::doFinalization(llvm::Module&) (/scratch/software/clang-trunk/bin/clang-13+0x3045f75)
   #​15 0x0000563a3b813176 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/scratch/software/clang-trunk/bin/clang-13+0x3053176)
   #​16 0x0000563a3c44de72 (anonymous namespace)::EmitAssemblyHelper::EmitAssemblyWithNewPassManager(clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_deletellvm::raw_pwrite_stream >) BackendUtil.cpp:0:0
   #​17 0x0000563a3c44f92d clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_deletellvm::raw_pwrite_stream >) (/scratch/software/clang-trunk/bin/clang-13+0x3c8f92d)
   #​18 0x0000563a3d278e1f clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/scratch/software/clang-trunk/bin/clang-13+0x4ab8e1f)
   #​19 0x0000563a3e3304d9 clang::ParseAST(clang::Sema&, bool, bool) (/scratch/software/clang-trunk/bin/clang-13+0x5b704d9)
   #​20 0x0000563a3d277968 clang::CodeGenAction::ExecuteAction() (/scratch/software/clang-trunk/bin/clang-13+0x4ab7968)
   #​21 0x0000563a3cb27599 clang::FrontendAction::Execute() (/scratch/software/clang-trunk/bin/clang-13+0x4367599)
   #​22 0x0000563a3caba7e6 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/scratch/software/clang-trunk/bin/clang-13+0x42fa7e6)
   #​23 0x0000563a3cc05480 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/scratch/software/clang-trunk/bin/clang-13+0x4445480)
   #​24 0x0000563a39a25696 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/scratch/software/clang-trunk/bin/clang-13+0x1265696)
   #​25 0x0000563a39a219d8 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) driver.cpp:0:0
   #​26 0x0000563a3994f0e6 main (/scratch/software/clang-trunk/bin/clang-13+0x118f0e6)
   #​27 0x00007f41f12b20b3 __libc_start_main /build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
   #​28 0x0000563a39a2154e _start (/scratch/software/clang-trunk/bin/clang-13+0x126154e)
   clang-13: error: unable to execute command: Aborted (core dumped)
   clang-13: error: clang frontend command failed due to signal (use -v to see invocation)
   clang version 13.0.0 (https://github.com/llvm/llvm-project.git 2e9c75d)
   Target: x86_64-unknown-linux-gnu
   Thread model: posix
   InstalledDir: /home/cnsun/usr/bin
   clang-13: note: diagnostic msg:

---

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-13: note: diagnostic msg: /tmp/mutant-94a020.c
clang-13: note: diagnostic msg: /tmp/mutant-94a020.sh
clang-13: note: diagnostic msg:

---

[AaronBallman]

The first two issues are duplicates, but the third one is distinct.

I can confirm the first two issues; I'll refile the third issue separately.

[llvmbot]

@llvm/issue-subscribers-clang-frontend